42234043223 has 4 divisors (see below), whose sum is σ = 42235224648. Its totient is φ = 42232861800.

The previous prime is 42234043217. The next prime is 42234043231. The reversal of 42234043223 is 32234043224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42234043223 - 2¹⁰ = 42234042199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42234043213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535361 + ... + 609162.

It is an arithmetic number, because the mean of its divisors is an integer number (10558806162).

Almost surely, 2^42234043223 is an apocalyptic number.

42234043223 is a deficient number, since it is larger than the sum of its proper divisors (1181425).

42234043223 is a wasteful number, since it uses less digits than its factorization.

42234043223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181424.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 42234043223 its reverse (32234043224), we get a palindrome (74468086447).

Subtracting from 42234043223 its reverse (32234043224), we obtain a palindrome (9999999999).

The spelling of 42234043223 in words is "forty-two billion, two hundred thirty-four million, forty-three thousand, two hundred twenty-three".